/* 
  Tema Futurista y Claro — Academia Britannia
  Tipografía: Plus Jakarta Sans (Google Fonts)
  Versión: 2.0 — Modernización Futurista
*/


:root {
    /* ── Paleta Principal (Light Theme) ── */
    --color-primary: #2563EB;
    --color-primary-light: #EFF6FF;
    --color-primary-mid: #BFDBFE;
    --color-primary-dark: #1D4ED8;
    --color-primary-glow: rgba(37, 99, 235, 0.25);

    --color-secondary: #0EA5E9;
    --color-secondary-light: #E0F7FF;

    --color-accent: #6366F1;
    --color-accent-light: #EEF2FF;
    --color-accent-hover: #4F46E5;

    /* ── Texto ── */
    --color-text-main: #0F172A;
    --color-text-body: #1E293B;
    --color-text-muted: #64748B;
    --color-text-light: #94A3B8;

    /* ── Fondos ── */
    --color-bg-body: #F8FAFF;
    --color-bg-card: #FFFFFF;
    --color-bg-subtle: #F1F5F9;

    /* ── Bordes ── */
    --color-border: #E2E8F0;
    --color-border-focus: #93C5FD;

    /* ── Estados ── */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;

    /* ── Layout ── */
    --container-width: 1200px;
    --header-height: 80px;
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* ── Sombras con profundidad ── */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10), 0 4px 8px rgba(15, 23, 42, 0.06);
    --shadow-xl: 0 24px 48px rgba(15, 23, 42, 0.12), 0 8px 16px rgba(15, 23, 42, 0.08);
    --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.20);
    --shadow-glow-sm: 0 0 12px rgba(37, 99, 235, 0.15);

    /* ── Transiciones ── */
    --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);

    /* ── Glassmorphism ── */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-blur: blur(20px);

    /* ── Force Light Mode ── */
    color-scheme: light;
}

/* ── BASE RESET ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary-mid) transparent;
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    background-color: var(--color-bg-body);
    color: var(--color-text-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* ── SCROLL PROGRESS BAR ── */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    z-index: 9999;
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

/* ── UTILIDADES ── */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-primary    { color: var(--color-primary); }
.text-accent     { color: var(--color-accent); }
.text-muted      { color: var(--color-text-muted); }
.text-center     { text-align: center; }
.font-bold       { font-weight: 700; }
.font-extrabold  { font-weight: 800; }

/* Texto con gradiente */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Badge / Chip */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-mid);
}

/* ── BOTONES ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

/* Shimmer effect */
.btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -75%;
    width: 50%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.38) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-20deg);
    pointer-events: none;
}

.btn:hover::after {
    animation: btn-shimmer 0.6s ease-in-out;
}

@keyframes btn-shimmer {
    0%   { left: -75%; }
    100% { left: 125%; }
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 4px 14px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--color-primary-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: white;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

/* ── GLASS CARD ── */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ── ANIMACIÓN SCROLL (Intersection Observer) ── */
.animate-fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
}

.animate-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-up.delay-1 { transition-delay: 0.1s; }
.animate-fade-up.delay-2 { transition-delay: 0.2s; }
.animate-fade-up.delay-3 { transition-delay: 0.3s; }
.animate-fade-up.delay-4 { transition-delay: 0.4s; }

/* ── HERO ANIMATION (Immediate) ── */
.hero-animate-in {
    opacity: 0;
    animation: heroFadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-image.hero-animate-in {
    animation-delay: 0.2s;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── HEADER ── */
header {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    /* height: var(--header-height); Eliminado para ser dinámico */
    display: block; /* Cambiado de flex a block para apilar barra y nav */
    transition: box-shadow var(--transition-base);
}

header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: var(--header-height); /* Aplicamos la altura fija aquí */
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--color-text-main);
    letter-spacing: -0.3px;
}

.logo img {
    height: 46px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo:hover img {
    transform: rotate(-5deg) scale(1.05);
}

.nav-links {
    display: flex;
    gap: 4px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--color-text-muted);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    position: relative;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}

.nav-links a.active {
    color: var(--color-primary);
    font-weight: 600;
    background: var(--color-primary-light);
}

/* CTA Button header */
.nav-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white !important;
    font-size: 0.88rem !important;
    padding: 9px 20px !important;
    border-radius: var(--radius-full) !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37,99,235,0.35) !important;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent-hover)) !important;
}

.nav-cta::after { display: none; }

/* ── FOOTER ── */
footer {
    background: linear-gradient(180deg, #F8FAFF 0%, #F0F4FF 100%);
    padding: 70px 0 24px;
    margin-top: 0;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col h4 {
    margin-bottom: 18px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-text-main);
}

.footer-col a {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    border-radius: var(--radius-xs);
    padding: 2px 0;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-primary);
    padding-left: 6px;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin-bottom: 24px;
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

/* ── MOBILE MENU TOGGLE ── */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: var(--color-primary-light);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--color-text-main);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
    background: var(--color-primary);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-8px);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
    background: var(--color-primary);
}

/* Nav overlay mobile */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
}

/* ── WHATSAPP FLOATING BUTTON ── */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 58px;
    height: 58px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 9990;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    animation: whatsapp-pulse 2.5s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.55);
    animation: none;
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    fill: white;
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4); }
    50%       { box-shadow: 0 6px 30px rgba(37, 211, 102, 0.65), 0 0 0 10px rgba(37, 211, 102, 0.08); }
}

/* ── SOCIAL LINKS ── */
.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    background: white;
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-mid);
    color: var(--color-primary);
}

.social-links img {
    width: 20px;
    height: 20px;
}

/* ── STATS COUNTER ── */
.stat-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── SECTION BADGE ── */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-mid);
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 16px;
}

/* ── CARD HOVER 3D ── */
.card-3d {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    will-change: transform;
}

.card-3d:hover {
    transform: translateY(-6px) rotate3d(1, 0, 0, 2deg);
    box-shadow: var(--shadow-xl), 0 0 0 1px var(--color-border);
}

/* ── ANIMATED GRID BACKGROUND ── */
.bg-grid {
    background-image: 
        linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    background-position: center center;
}

/* ── PREMIUM NOTIFICATION BAR ── */
.top-notification-bar {
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-accent));
    color: white;
    padding: 8px 0;
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
    position: relative; /* Ahora es relativo al padre sticky */
    z-index: 1001;
}

.top-notification-bar a {
    color: white;
    text-decoration: underline;
    margin-left: 8px;
    opacity: 0.9;
}

.top-notification-bar a:hover {
    opacity: 1;
}

/* ── DECORATIVE ORBS ── */
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.5;
    animation: orbFloat 20s infinite alternate ease-in-out;
}

.orb-primary { background: var(--color-primary); width: 400px; height: 400px; }
.orb-accent  { background: var(--color-accent); width: 300px; height: 300px; }

@keyframes orbFloat {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 100px) scale(1.1); }
}

/* ── SHAPE DIVIDERS ── */
.shape-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.shape-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: clamp(60px, 8vw, 150px);
}

.shape-divider .shape-fill {
    fill: #FFFFFF;
}

.shape-divider-top {
    top: 0;
    bottom: auto;
    transform: none;
}

/* ── NEWS CARD ENHANCEMENTS ── */
.news-card-premium {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.news-card-premium:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-mid);
}

.news-card-premium img {
    transition: transform 0.5s ease;
}

.news-card-premium:hover img {
    transform: scale(1.05);
}

/* ── GLASS STATS ── */
.glass-stat-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.glass-stat-card:hover {
    transform: translateY(-5px);
    background: white;
    box-shadow: var(--shadow-md);
}

/* ── TESTIMONIALS SWIPER ── */
.testimonials-wrapper {
    position: relative;
    padding: 0 60px; /* Espacio para las flechas laterales */
    margin: 40px 0;
}

.testimonials-swiper {
    padding: 20px 0 50px !important; 
    overflow: hidden !important; /* Volvemos al recorte limpio */
}

.testimonial-slide {
    height: auto;
    display: flex;
    padding: 5px; /* Pequeño ajuste para que no se corten las sombras laterales de las tarjetas */
}

.testimonial-card-premium {
    background: linear-gradient(145deg, #ffffff 0%, var(--color-primary-light) 100%);
    border: 1px solid var(--color-primary-mid);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

.testimonial-card-premium:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-mid);
}

.swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    opacity: 0.3;
    transition: all 0.3s ease;
}

.swiper-pagination-bullet-active {
    opacity: 1;
    width: 28px;
    border-radius: 5px;
}

.testimonials-pagination {
    bottom: 0px !important;
    position: absolute !important;
}

.testimonials-next, .testimonials-prev {
    color: var(--color-primary);
    background: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    top: 50%;
    transform: translateY(-50%);
    margin-top: -15px;
    z-index: 10;
}

.testimonials-next { right: 0 !important; }
.testimonials-prev { left: 0 !important; }

.testimonials-next::after, .testimonials-prev::after {
    font-size: 1.1rem;
    font-weight: 900;
}

.testimonials-next:hover, .testimonials-prev:hover {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

/* ── INTERACTIVE COURSES ── */
.premium-course-card {
    position: relative;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.premium-course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-mid);
}

.course-image-wrapper {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.course-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.premium-course-card:hover .course-image-wrapper img {
    transform: scale(1.1);
}

.course-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.8), transparent);
    opacity: 0.6;
    transition: opacity 0.4s ease;
}

.premium-course-card:hover .course-overlay {
    opacity: 0.9;
}

.course-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 800;
    color: white;
    z-index: 2;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-content {
    padding: 28px;
    background: white;
    transition: transform 0.4s ease;
}

.course-hover-details {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    opacity: 0;
}

.premium-course-card:hover .course-hover-details {
    max-height: 100px;
    opacity: 1;
    margin-top: 15px;
}

/* ── STYLIZED MAP ── */
#map {
    height: 450px;
    width: 100%;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.map-container {
    position: relative;
    padding: 60px 0;
}

.map-card-info {
    position: absolute;
    top: 100px;
    left: 40px;
    z-index: 1000;
    background: white;
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 320px;
    border: 1px solid var(--color-primary-mid);
}

@media (max-width: 1024px) {
    .map-card-info {
        position: static;
        max-width: 100%;
        margin-bottom: 30px;
    }
}

.swiper-button-next::after, .swiper-button-prev::after {
    font-size: 1.2rem;
    font-weight: 800;
}

.swiper-button-next:hover, .swiper-button-prev:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

/* ── RESPONSIVE ── */

/* Pantallas medianas: ocultar texto del logo, compactar nav */
@media (max-width: 1100px) {
    .logo span {
        display: none;
    }
    .nav-links a {
        font-size: 0.85rem;
        padding: 7px 10px;
    }
    .nav-cta {
        font-size: 0.82rem !important;
        padding: 8px 14px !important;
    }
}

@media (max-width: 1024px) {
    :root { --container-width: 100%; }
    .container { padding: 0 24px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
}

@media (max-width: 768px) {
    :root { --header-height: 68px; }

    .nav-container { position: relative; }

    .mobile-menu-toggle { display: flex; z-index: 1001; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 12px 20px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        z-index: 1000;
        max-height: calc(100vh - 100%); /* Dinámico */
        overflow-y: auto;
    }

    .nav-links.active {
        display: flex;
        animation: slideDown 0.28s cubic-bezier(0.4,0,0.2,1);
    }

    .nav-overlay { display: block; }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-10px); }
        to   { opacity: 1; transform: translateY(0); }
    }

    .nav-links a {
        padding: 14px 16px;
        border-radius: var(--radius-sm);
        font-size: 1rem;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links a:last-child { border-bottom: none; }
    .nav-links a::after { display: none; }

    .nav-cta {
        margin: 8px 16px;
        justify-content: center;
        border-radius: var(--radius-md) !important;
        padding: 14px !important;
    }

    .logo { font-size: 1.2rem; }
    .logo img { height: 38px; }

    .nav-container > .btn:not(.mobile-menu-toggle) { display: none; }

    .footer-grid {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 10px !important;
        padding: 0 10px;
    }

    .footer-col:nth-child(1) {
        grid-column: 1 / -1 !important;
        text-align: center;
        margin-bottom: 20px;
        padding-bottom: 20px;
        border-bottom: 1px solid var(--color-border);
    }

    .footer-col:nth-child(2),
    .footer-col:nth-child(3),
    .footer-col:nth-child(4) {
        text-align: center;
    }

    .footer-col h4 { text-align: center !important; }

    .footer-col a,
    .footer-col p {
        font-size: 0.8rem !important;
        padding-left: 0 !important;
    }

    footer { padding: 40px 0 20px; }

    [style*="grid-template-columns: repeat(3, 1fr)"],
    [style*="grid-template-columns: 1fr 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns: repeat(2, 1fr)"] {
        grid-template-columns: 1fr !important;
    }

    h1 { font-size: 2rem !important; }
    h2 { font-size: 1.75rem !important; }
    h3 { font-size: 1.35rem !important; }

    .btn {
        padding: 14px 24px;
        font-size: 0.95rem;
        width: 100%;
        max-width: 100%;
    }

    section { padding: 60px 0 !important; }

    .container { padding: 0 16px; }

    .whatsapp-float {
        bottom: 20px;
        right: 16px;
        width: 52px;
        height: 52px;
    }
}

@media (max-width: 480px) {
    :root { --header-height: 60px; }

    .logo { font-size: 1rem; }
    .logo img { height: 34px; }

    h1 { font-size: 1.75rem !important; line-height: 1.2 !important; }
    h2 { font-size: 1.5rem !important; }
    h3 { font-size: 1.2rem !important; }
    p  { font-size: 0.95rem; }

    section { padding: 40px 0 !important; }

    .container { padding: 0 12px; }

    [style*="position: absolute"] {
        position: relative !important;
        bottom: auto !important;
        left: auto !important;
        right: auto !important;
        margin-top: 20px !important;
    }

    [style*="gap: 60px"],
    [style*="gap: 40px"],
    [style*="gap: 30px"] {
        gap: 20px !important;
    }
}

@media (max-width: 768px) and (orientation: landscape) {
    header { position: relative; }
    .nav-links { max-height: 60vh; overflow-y: auto; }
}

@media print {
    header, footer, .mobile-menu-toggle, .whatsapp-float, #scroll-progress { display: none; }
    * { box-shadow: none !important; }
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}